| Acronym | Definition |
|---|
| EFNA➣European Federation of Neurological Associations |
| EFNA➣Emergency Food Needs Assessment (UN World Food Programme) |
| EFNA➣Economic Freedom of North America (index; Fraser Institute; Canada and US) |
| EFNA➣Evans Farm Neighborhood Association (UK) |
| EFNA➣European Forest Nursery Association (est. 1962) |
| EFNA➣Epididymal Fine Needle Aspiration (cytology) |